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2,108
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Media Type
1
collections
1,493
texts
370
movies
121
images
108
audio
7
data
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Availability
2,073
Always Available
27
Available to Borrow
8
Waitlist
Topics & Subjects
886
NASA Technical Reports Server (NTRS)
320
DTIC Archive
268
helicopter
263
HELICOPTER PERFORMANCE
249
HELICOPTER DESIGN
237
ROTARY WINGS
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Collection
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Creator
886
nasa technical reports server (ntrs)
320
defense technical information center
48
nasa/bill ingalls
28
joe scherrman
20
united states. army
17
funny or die
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Language
1,689
English
25
Arabic
3
Russian
3
Urdu
2
Spanish
1
Dutch
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